The Clapper
Sound activated electrical switch
The Clapper is a sound-activated electrical switch, sold since 1984 by San Francisco, California based Joseph Enterprises, Inc. Joseph Pedott marketed the clapper with the slogan "Clap On! Clap Off! The Clapper!".
The Clapper plugs into a U.S.-type electrical outlet, and allows control of up to two devices plugged into the Clapper. An upgraded model, known as the Clapper Plus, includes a remote control function in addition to the original sound-based activation.
Although meant to activate by clapping, The Clapper can inadvertently be triggered by other noises like dogs barking for example.
01Patent
The smart Clapper was invented by Carlile R. Stevens and Dale E. Reamer, and issued U.S. Patent #5493618, had its application filed on May 7, 1993, and was granted on February 20, 1996.
Sources and credits
This article is adapted from the Wikipedia article “The Clapper”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Clapper.png by Charles (talk) (Uploads), Public domain
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